National Academies Press: OpenBook

Optimal Replacement Cycles of Highway Operations Equipment (2018)

Chapter: Appendix A - Default Depreciation Tables

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Page 41
Suggested Citation:"Appendix A - Default Depreciation Tables." National Academies of Sciences, Engineering, and Medicine. 2018. Optimal Replacement Cycles of Highway Operations Equipment. Washington, DC: The National Academies Press. doi: 10.17226/25036.
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Page 42
Suggested Citation:"Appendix A - Default Depreciation Tables." National Academies of Sciences, Engineering, and Medicine. 2018. Optimal Replacement Cycles of Highway Operations Equipment. Washington, DC: The National Academies Press. doi: 10.17226/25036.
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Page 42
Page 43
Suggested Citation:"Appendix A - Default Depreciation Tables." National Academies of Sciences, Engineering, and Medicine. 2018. Optimal Replacement Cycles of Highway Operations Equipment. Washington, DC: The National Academies Press. doi: 10.17226/25036.
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Page 43

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41 Default Depreciation Tables A P P E N D I X A

42 Class Code Description 10 20 30 40 50 60 70 80 90 100 110 120 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 4,500 5,000 5,500 6,000 1300 Sedan 20% 31% 42% 51% 59% 67% 73% 78% 83% 86% 88% 90% 1600 SUV 20% 31% 42% 51% 59% 67% 73% 78% 83% 86% 88% 90% 1348 Police Cruiser 20% 31% 42% 51% 59% 67% 73% 78% 83% 86% 88% 90% 1521 1/2 Ton Pickup 15% 24% 32% 40% 47% 53% 59% 65% 70% 74% 77% 80% 1531 3/4 Ton Pickup 15% 24% 32% 40% 47% 53% 59% 65% 70% 74% 77% 80% 1523 1/2 Ton Crew Cab 15% 24% 32% 40% 47% 53% 59% 65% 70% 74% 77% 80% 1533 3/4 Ton Crew Cab 15% 24% 32% 40% 47% 53% 59% 65% 70% 74% 77% 80% 1424 Vans 20% 31% 42% 51% 59% 67% 73% 78% 83% 86% 88% 90% 3514 Mechanic Shop Truck 16% 22% 30% 36% 43% 49% 54% 60% 64% 69% 73% 76% 2513 1 Ton Crew Cab 15% 24% 32% 40% 47% 53% 59% 65% 70% 74% 77% 80% 3711 Flat Bed Truck 15% 22% 30% 36% 43% 49% 54% 60% 64% 69% 73% 76% 3744 Scissor Bed Truck 15% 22% 30% 36% 43% 49% 54% 60% 64% 69% 73% 76% 6712 Single-Axle Dump 18% 23% 31% 38% 45% 51% 57% 63% 68% 72% 76% 79% 8712 Tandem Dump 15% 23% 31% 38% 45% 51% 57% 63% 68% 72% 76% 79% 8785 Tri-Axle Dump 15% 23% 31% 38% 45% 52% 57% 63% 68% 72% 76% 79% 8786 Bottom Dump 15% 23% 31% 38% 45% 52% 57% 63% 68% 72% 76% 79% 8810 Tractor/Trailer 15% 23% 31% 38% 45% 52% 57% 63% 68% 72% 76% 79% 8743 Bucket Truck 18% 30% 40% 50% 58% 66% 72% 77% 81% 85% 86% 87% 8744 Bridge Snooper Truck 11% 17% 23% 28% 33% 38% 43% 48% 52% 56% 60% 63% 8771 Roadway Sweeper Truck 18% 30% 41% 51% 59% 66% 73% 78% 82% 85% 87% 88% 8741 Mobile Crane 18% 30% 40% 50% 58% 66% 72% 77% 81% 85% 86% 87% 8773 Culvert Cleaner/Vacuum Truck 18% 30% 41% 51% 59% 66% 73% 78% 82% 85% 87% 88% 8778 Asphalt Distributor 18% 30% 41% 51% 59% 66% 73% 78% 82% 85% 87% 88% 8731 Wrecker Truck 11% 17% 23% 28% 33% 38% 43% 48% 52% 56% 60% 63% 9452 Striping/Paint Truck 11% 17% 23% 28% 33% 38% 43% 48% 52% 56% 60% 63% 9132 End Loader, Wheeled 14% 23% 31% 39% 46% 52% 58% 64% 68% 72% 76% 79% 9220 End Loader, Track 14% 23% 31% 39% 46% 52% 58% 64% 68% 72% 76% 79% 9110 Loader, Skid Steer 14% 23% 31% 39% 46% 52% 58% 64% 68% 72% 76% 79% 9160 Motor Grader 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9440 Roller, Pneumatic 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9441 Roller, Steel Wheel 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9150 Excavator, Wheeled 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9250 Excavator, Track 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9230 Dozer 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9290 Dragline 15% 25% 34% 42% 49% 56% 62% 67% 72% 76% 79% 81% 9142 Backhoe 17% 28% 39% 48% 56% 63% 70% 75% 79% 82% 85% 86% 9431 Asphalt Paver 15% 24% 32% 40% 48% 54% 60% 66% 71% 75% 79% 81% 9426 Pavement Profiler 15% 24% 32% 40% 48% 54% 60% 66% 71% 75% 79% 81% 9623 Tractor, Mower 21% 35% 47% 57% 66% 74% 80% 84% 86% 88% 89% 90% 0110 Salt Spreader 15% 26% 36% 45% 53% 60% 66% 71% 75% 77% 79% 81% Accumulated Depreciation at Miles or Hours Utilization, 1,000 Miles → Utilization, Hours →

43 Class Code Description 130 140 150 160 170 180 190 200 210 220 230 240 250 6,500 7,000 7,500 8,000 8,500 9,000 9,500 10,000 10,500 11,000 11,500 12,000 12,500 1300 Sedan 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1600 SUV 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1348 Police Cruiser 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1521 1/2 Ton Pickup 83% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1531 3/4 Ton Pickup 83% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1523 1/2 Ton Crew Cab 83% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1533 3/4 Ton Crew Cab 83% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 1424 Vans 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 3514 Mechanic Shop Truck 79% 82% 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 2513 1 Ton Crew Cab 83% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 3711 Flat Bed Truck 79% 82% 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 3744 Scissor Bed Truck 79% 82% 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 6712 Single-Axle Dump 82% 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 90% 8712 Tandem Dump 82% 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 90% 8785 Tri-Axle Dump 82% 84% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 8786 Bottom Dump 82% 84% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 8810 Tractor/Trailer 82% 84% 86% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 8743 Bucket Truck 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 8744 Bridge Snooper Truck 66% 69% 72% 75% 77% 79% 81% 82% 83% 84% 85% 86% 87% 8771 Roadway Sweeper Truck 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 8741 Mobile Crane 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 8773 Culvert Cleaner/Vacuum Truck 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 8778 Asphalt Distributor 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 8731 Wrecker Truck 66% 69% 72% 75% 77% 79% 81% 82% 83% 84% 85% 86% 87% 9452 Striping/Paint Truck 66% 69% 72% 75% 77% 79% 81% 82% 83% 84% 85% 86% 87% 9132 End Loader, Wheeled 81% 83% 84% 85% 86% 87% 88% 89% 90% 90% 90% 90% 90% 9220 End Loader, Track 81% 83% 84% 85% 86% 87% 88% 89% 90% 90% 90% 90% 90% 9110 Loader, Skid Steer 81% 83% 84% 85% 86% 87% 88% 89% 90% 90% 90% 90% 90% 9160 Motor Grader 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9440 Roller, Pneumatic 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9441 Roller, Steel Wheel 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9150 Excavator, Wheeled 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9250 Excavator, Track 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9230 Dozer 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9290 Dragline 83% 84% 85% 86% 87% 88% 90% 90% 90% 90% 90% 90% 90% 9142 Backhoe 87% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 9431 Asphalt Paver 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 9426 Pavement Profiler 84% 86% 87% 88% 89% 90% 90% 90% 90% 90% 90% 90% 90% 9623 Tractor, Mower 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 90% 0110 Salt Spreader 83% 85% 87% 88% 90% 90% 90% 90% 90% 90% 90% 90% 90% Accumulated Depreciation at Miles or Hours Utilization, 1,000 Miles → Utilization, Hours →

Next: Appendix B - Equipment Replacement Process »
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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 879: Optimal Replacement Cycles of Highway Operations Equipment acts as a handbook on equipment replacement concepts and an instruction manual for making cost-effective replacement decisions. The research report presents a process for determining replacement needs for highway operations equipment, identifying candidate equipment units for replacement, and preparing an annual equipment replacement program. The products include a guidance document and an Excel-based replacement optimization tool to support the equipment replacement process and facilitate its implementation.

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